@misc{indiciae7ae1efe51481,
  title = {Aeromagnetic map of the Chesuncook quadrangle, Piscataquis County, Maine},
  author = {R. W. Bromery and E.F. McGowan},
  year = {1963},
  doi = {10.3133/gp379},
  url = {https://pubs.usgs.gov/publication/gp379},
  note = {Source identifier: gp379}
}